Espressif Systems is a publicly listed Chinese fabless semiconductor company headquartered in Shanghai, specializing in low-power Wi-Fi and Bluetooth System-on-Chips (SoCs) and modules. Their most widely used product families are the ESP8266 and ESP32 series — compact, affordable microcontrollers with built-in wireless connectivity that have become a foundation of the DIY and professional IoT hardware ecosystem.

In This Home

The ESP32 microcontrollers used in home automation sensor and control devices are Espressif products, packaged on [Seeed Studios](A10-Glossary/Seeed Studios.md) XIAO development boards and programmed using the ESPHome framework.